I'm a UC Blog

Introducing Windows Server 2008 R2 is a deep-dive work, that’ll get you up to speed on how R2’s new features and capabilities work, including Hyper-V and RDS virtualization, management, IIS and the new Web application platform and, of course, all the synergistic goodness between Windows Server and Windows 7 Download the free eBook here

Harold Wong, an IT Pro Evangelist at Microsoft just posted up his “New Efficiency” decks. I saw these presented at the UK event and draw your attention specifically to the UC slides that can be viewed on SlideShare here Source: here (and all decks)